non-player character

From non- +‎ player character.

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non-player character (plural non-player characters)

1. (roleplaying games, video games) A character in a role-playing game or computer game whose actions are not controlled by a player.

   Antonym: player character

2. (Internet slang, derogatory) A person who does not think for themselves nor make their own decisions.

• Often used to specifically refer to characters who are not hostile towards the players. Hostile non-player characters are instead called enemies, monsters, mobs, villains or creeps.

• NPC
• AI (for computer games, but not role-playing games)
• computer (for computer games, but not role-playing games)